Liquid purification or separation – With repair or assembling means
Patent
1997-08-15
1998-11-10
Lithgow, Thomas M.
Liquid purification or separation
With repair or assembling means
210238, 210282, 210288, 210289, 2103232, 210335, 210339, B01D 2714, B01D 2708, B01D 2418
Patent
active
058338500
ABSTRACT:
A water filter includes a housing, a base adapted to engage with a lower end of the housing, two filtering cores each having a cylindrical casing threadedly connected with an upper circular cover and a lower circular cover, the lower circular cover having a threaded circular shoulder depending downwardly therefrom and a tubular neck having an upper end extending upwardly from the threaded circular shoulder and a lower end extending downwardly from the threaded circular shoulder, a first seat formed with an inner neck and an outer neck and arranged in a respective recess of the base, and a second seat formed with an second inner neck and an second outer neck and fitted into a respective recess of the base, whereby the water filter will provide two circulation cycles for purifying water.
REFERENCES:
patent: 5110479 (1992-05-01), Frommer
patent: 5188727 (1993-02-01), Kurth
patent: 5454944 (1995-10-01), Clack
patent: 5700371 (1997-12-01), Koslow
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